[PATCH 15/17] ARM: at91: remove old setup
Alexandre Belloni
alexandre.belloni at free-electrons.com
Thu Jan 15 13:58:18 PST 2015
The old initialization is not used anymore, remove it.
Also remove now unused cpu.h and at91_dbgu.h
Signed-off-by: Alexandre Belloni <alexandre.belloni at free-electrons.com>
---
arch/arm/mach-at91/generic.h | 4 -
arch/arm/mach-at91/include/mach/at91_dbgu.h | 63 ------
arch/arm/mach-at91/include/mach/at91_ramc.h | 6 -
arch/arm/mach-at91/include/mach/at91sam9_smc.h | 2 -
arch/arm/mach-at91/include/mach/cpu.h | 240 --------------------
arch/arm/mach-at91/pm.c | 5 +-
arch/arm/mach-at91/setup.c | 301 -------------------------
7 files changed, 4 insertions(+), 617 deletions(-)
delete mode 100644 arch/arm/mach-at91/include/mach/at91_dbgu.h
delete mode 100644 arch/arm/mach-at91/include/mach/cpu.h
diff --git a/arch/arm/mach-at91/generic.h b/arch/arm/mach-at91/generic.h
index 1e60faec2eba..881e73a27fab 100644
--- a/arch/arm/mach-at91/generic.h
+++ b/arch/arm/mach-at91/generic.h
@@ -14,10 +14,6 @@
#include <linux/of.h>
#include <linux/reboot.h>
- /* Map io */
-extern void __init at91_map_io(void);
-extern void __init at91_alt_map_io(void);
-
/* Processors */
extern void __init at91_dt_initialize(void);
diff --git a/arch/arm/mach-at91/include/mach/at91_dbgu.h b/arch/arm/mach-at91/include/mach/at91_dbgu.h
deleted file mode 100644
index 42925e8f78e4..000000000000
--- a/arch/arm/mach-at91/include/mach/at91_dbgu.h
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * arch/arm/mach-at91/include/mach/at91_dbgu.h
- *
- * Copyright (C) 2005 Ivan Kokshaysky
- * Copyright (C) SAN People
- *
- * Debug Unit (DBGU) - System peripherals registers.
- * Based on AT91RM9200 datasheet revision E.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#ifndef AT91_DBGU_H
-#define AT91_DBGU_H
-
-#define AT91_DBGU_CR (0x00) /* Control Register */
-#define AT91_DBGU_MR (0x04) /* Mode Register */
-#define AT91_DBGU_IER (0x08) /* Interrupt Enable Register */
-#define AT91_DBGU_TXRDY (1 << 1) /* Transmitter Ready */
-#define AT91_DBGU_TXEMPTY (1 << 9) /* Transmitter Empty */
-#define AT91_DBGU_IDR (0x0c) /* Interrupt Disable Register */
-#define AT91_DBGU_IMR (0x10) /* Interrupt Mask Register */
-#define AT91_DBGU_SR (0x14) /* Status Register */
-#define AT91_DBGU_RHR (0x18) /* Receiver Holding Register */
-#define AT91_DBGU_THR (0x1c) /* Transmitter Holding Register */
-#define AT91_DBGU_BRGR (0x20) /* Baud Rate Generator Register */
-
-#define AT91_DBGU_CIDR (0x40) /* Chip ID Register */
-#define AT91_DBGU_EXID (0x44) /* Chip ID Extension Register */
-#define AT91_DBGU_FNR (0x48) /* Force NTRST Register [SAM9 only] */
-#define AT91_DBGU_FNTRST (1 << 0) /* Force NTRST */
-
-/*
- * Some AT91 parts that don't have full DEBUG units still support the ID
- * and extensions register.
- */
-#define AT91_CIDR_VERSION (0x1f << 0) /* Version of the Device */
-#define AT91_CIDR_EPROC (7 << 5) /* Embedded Processor */
-#define AT91_CIDR_NVPSIZ (0xf << 8) /* Nonvolatile Program Memory Size */
-#define AT91_CIDR_NVPSIZ2 (0xf << 12) /* Second Nonvolatile Program Memory Size */
-#define AT91_CIDR_SRAMSIZ (0xf << 16) /* Internal SRAM Size */
-#define AT91_CIDR_SRAMSIZ_1K (1 << 16)
-#define AT91_CIDR_SRAMSIZ_2K (2 << 16)
-#define AT91_CIDR_SRAMSIZ_112K (4 << 16)
-#define AT91_CIDR_SRAMSIZ_4K (5 << 16)
-#define AT91_CIDR_SRAMSIZ_80K (6 << 16)
-#define AT91_CIDR_SRAMSIZ_160K (7 << 16)
-#define AT91_CIDR_SRAMSIZ_8K (8 << 16)
-#define AT91_CIDR_SRAMSIZ_16K (9 << 16)
-#define AT91_CIDR_SRAMSIZ_32K (10 << 16)
-#define AT91_CIDR_SRAMSIZ_64K (11 << 16)
-#define AT91_CIDR_SRAMSIZ_128K (12 << 16)
-#define AT91_CIDR_SRAMSIZ_256K (13 << 16)
-#define AT91_CIDR_SRAMSIZ_96K (14 << 16)
-#define AT91_CIDR_SRAMSIZ_512K (15 << 16)
-#define AT91_CIDR_ARCH (0xff << 20) /* Architecture Identifier */
-#define AT91_CIDR_NVPTYP (7 << 28) /* Nonvolatile Program Memory Type */
-#define AT91_CIDR_EXT (1 << 31) /* Extension Flag */
-
-#endif
diff --git a/arch/arm/mach-at91/include/mach/at91_ramc.h b/arch/arm/mach-at91/include/mach/at91_ramc.h
index e4492b151fee..80431ece8a54 100644
--- a/arch/arm/mach-at91/include/mach/at91_ramc.h
+++ b/arch/arm/mach-at91/include/mach/at91_ramc.h
@@ -9,17 +9,11 @@
#ifndef __AT91_RAMC_H__
#define __AT91_RAMC_H__
-#ifndef __ASSEMBLY__
-extern void __iomem *at91_ramc_base[];
-
#define at91_ramc_read(id, field) \
__raw_readl(at91_ramc_base[id] + field)
#define at91_ramc_write(id, field, value) \
__raw_writel(value, at91_ramc_base[id] + field)
-#else
-.extern at91_ramc_base
-#endif
#define AT91_MEMCTRL_MC 0
#define AT91_MEMCTRL_SDRAMC 1
diff --git a/arch/arm/mach-at91/include/mach/at91sam9_smc.h b/arch/arm/mach-at91/include/mach/at91sam9_smc.h
index 175e1fdd9fe8..ff54a0ce90e3 100644
--- a/arch/arm/mach-at91/include/mach/at91sam9_smc.h
+++ b/arch/arm/mach-at91/include/mach/at91sam9_smc.h
@@ -16,8 +16,6 @@
#ifndef AT91SAM9_SMC_H
#define AT91SAM9_SMC_H
-#include <mach/cpu.h>
-
#ifndef __ASSEMBLY__
struct sam9_smc_config {
/* Setup register */
diff --git a/arch/arm/mach-at91/include/mach/cpu.h b/arch/arm/mach-at91/include/mach/cpu.h
deleted file mode 100644
index 61914fb35f5d..000000000000
--- a/arch/arm/mach-at91/include/mach/cpu.h
+++ /dev/null
@@ -1,240 +0,0 @@
-/*
- * arch/arm/mach-at91/include/mach/cpu.h
- *
- * Copyright (C) 2006 SAN People
- * Copyright (C) 2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- */
-
-#ifndef __MACH_CPU_H__
-#define __MACH_CPU_H__
-
-#define ARCH_ID_AT91RM9200 0x09290780
-#define ARCH_ID_AT91SAM9260 0x019803a0
-#define ARCH_ID_AT91SAM9261 0x019703a0
-#define ARCH_ID_AT91SAM9263 0x019607a0
-#define ARCH_ID_AT91SAM9G10 0x019903a0
-#define ARCH_ID_AT91SAM9G20 0x019905a0
-#define ARCH_ID_AT91SAM9RL64 0x019b03a0
-#define ARCH_ID_AT91SAM9G45 0x819b05a0
-#define ARCH_ID_AT91SAM9G45MRL 0x819b05a2 /* aka 9G45-ES2 & non ES lots */
-#define ARCH_ID_AT91SAM9G45ES 0x819b05a1 /* 9G45-ES (Engineering Sample) */
-#define ARCH_ID_AT91SAM9X5 0x819a05a0
-#define ARCH_ID_AT91SAM9N12 0x819a07a0
-
-#define ARCH_ID_AT91SAM9XE128 0x329973a0
-#define ARCH_ID_AT91SAM9XE256 0x329a93a0
-#define ARCH_ID_AT91SAM9XE512 0x329aa3a0
-
-#define ARCH_ID_AT91M40800 0x14080044
-#define ARCH_ID_AT91R40807 0x44080746
-#define ARCH_ID_AT91M40807 0x14080745
-#define ARCH_ID_AT91R40008 0x44000840
-
-#define ARCH_ID_SAMA5 0x8A5C07C0
-
-#define ARCH_EXID_AT91SAM9M11 0x00000001
-#define ARCH_EXID_AT91SAM9M10 0x00000002
-#define ARCH_EXID_AT91SAM9G46 0x00000003
-#define ARCH_EXID_AT91SAM9G45 0x00000004
-
-#define ARCH_EXID_AT91SAM9G15 0x00000000
-#define ARCH_EXID_AT91SAM9G35 0x00000001
-#define ARCH_EXID_AT91SAM9X35 0x00000002
-#define ARCH_EXID_AT91SAM9G25 0x00000003
-#define ARCH_EXID_AT91SAM9X25 0x00000004
-
-#define ARCH_EXID_SAMA5D3 0x00004300
-#define ARCH_EXID_SAMA5D31 0x00444300
-#define ARCH_EXID_SAMA5D33 0x00414300
-#define ARCH_EXID_SAMA5D34 0x00414301
-#define ARCH_EXID_SAMA5D35 0x00584300
-#define ARCH_EXID_SAMA5D36 0x00004301
-
-#define ARCH_EXID_SAMA5D4 0x00000007
-#define ARCH_EXID_SAMA5D41 0x00000001
-#define ARCH_EXID_SAMA5D42 0x00000002
-#define ARCH_EXID_SAMA5D43 0x00000003
-#define ARCH_EXID_SAMA5D44 0x00000004
-
-#define ARCH_FAMILY_AT91SAM9 0x01900000
-#define ARCH_FAMILY_AT91SAM9XE 0x02900000
-
-/* RM9200 type */
-#define ARCH_REVISON_9200_BGA (0 << 0)
-#define ARCH_REVISON_9200_PQFP (1 << 0)
-
-#ifndef __ASSEMBLY__
-enum at91_soc_type {
- /* 920T */
- AT91_SOC_RM9200,
-
- /* SAM92xx */
- AT91_SOC_SAM9260, AT91_SOC_SAM9261, AT91_SOC_SAM9263,
-
- /* SAM9Gxx */
- AT91_SOC_SAM9G10, AT91_SOC_SAM9G20, AT91_SOC_SAM9G45,
-
- /* SAM9RL */
- AT91_SOC_SAM9RL,
-
- /* SAM9X5 */
- AT91_SOC_SAM9X5,
-
- /* SAM9N12 */
- AT91_SOC_SAM9N12,
-
- /* SAMA5D3 */
- AT91_SOC_SAMA5D3,
-
- /* SAMA5D4 */
- AT91_SOC_SAMA5D4,
-
- /* Unknown type */
- AT91_SOC_UNKNOWN,
-};
-
-enum at91_soc_subtype {
- /* RM9200 */
- AT91_SOC_RM9200_BGA, AT91_SOC_RM9200_PQFP,
-
- /* SAM9260 */
- AT91_SOC_SAM9XE,
-
- /* SAM9G45 */
- AT91_SOC_SAM9G45ES, AT91_SOC_SAM9M10, AT91_SOC_SAM9G46, AT91_SOC_SAM9M11,
-
- /* SAM9X5 */
- AT91_SOC_SAM9G15, AT91_SOC_SAM9G35, AT91_SOC_SAM9X35,
- AT91_SOC_SAM9G25, AT91_SOC_SAM9X25,
-
- /* SAMA5D3 */
- AT91_SOC_SAMA5D31, AT91_SOC_SAMA5D33, AT91_SOC_SAMA5D34,
- AT91_SOC_SAMA5D35, AT91_SOC_SAMA5D36,
-
- /* SAMA5D4 */
- AT91_SOC_SAMA5D41, AT91_SOC_SAMA5D42, AT91_SOC_SAMA5D43,
- AT91_SOC_SAMA5D44,
-
- /* No subtype for this SoC */
- AT91_SOC_SUBTYPE_NONE,
-
- /* Unknown subtype */
- AT91_SOC_SUBTYPE_UNKNOWN,
-};
-
-struct at91_socinfo {
- unsigned int type, subtype;
- unsigned int cidr, exid;
-};
-
-extern struct at91_socinfo at91_soc_initdata;
-const char *at91_get_soc_type(struct at91_socinfo *c);
-const char *at91_get_soc_subtype(struct at91_socinfo *c);
-
-static inline int at91_soc_is_detected(void)
-{
- return at91_soc_initdata.type != AT91_SOC_UNKNOWN;
-}
-
-#ifdef CONFIG_SOC_AT91RM9200
-#define cpu_is_at91rm9200() (at91_soc_initdata.type == AT91_SOC_RM9200)
-#define cpu_is_at91rm9200_bga() (at91_soc_initdata.subtype == AT91_SOC_RM9200_BGA)
-#define cpu_is_at91rm9200_pqfp() (at91_soc_initdata.subtype == AT91_SOC_RM9200_PQFP)
-#else
-#define cpu_is_at91rm9200() (0)
-#define cpu_is_at91rm9200_bga() (0)
-#define cpu_is_at91rm9200_pqfp() (0)
-#endif
-
-#ifdef CONFIG_SOC_AT91SAM9260
-#define cpu_is_at91sam9xe() (at91_soc_initdata.subtype == AT91_SOC_SAM9XE)
-#define cpu_is_at91sam9260() (at91_soc_initdata.type == AT91_SOC_SAM9260)
-#define cpu_is_at91sam9g20() (at91_soc_initdata.type == AT91_SOC_SAM9G20)
-#else
-#define cpu_is_at91sam9xe() (0)
-#define cpu_is_at91sam9260() (0)
-#define cpu_is_at91sam9g20() (0)
-#endif
-
-#ifdef CONFIG_SOC_AT91SAM9261
-#define cpu_is_at91sam9261() (at91_soc_initdata.type == AT91_SOC_SAM9261)
-#define cpu_is_at91sam9g10() (at91_soc_initdata.type == AT91_SOC_SAM9G10)
-#else
-#define cpu_is_at91sam9261() (0)
-#define cpu_is_at91sam9g10() (0)
-#endif
-
-#ifdef CONFIG_SOC_AT91SAM9263
-#define cpu_is_at91sam9263() (at91_soc_initdata.type == AT91_SOC_SAM9263)
-#else
-#define cpu_is_at91sam9263() (0)
-#endif
-
-#ifdef CONFIG_SOC_AT91SAM9RL
-#define cpu_is_at91sam9rl() (at91_soc_initdata.type == AT91_SOC_SAM9RL)
-#else
-#define cpu_is_at91sam9rl() (0)
-#endif
-
-#ifdef CONFIG_SOC_AT91SAM9G45
-#define cpu_is_at91sam9g45() (at91_soc_initdata.type == AT91_SOC_SAM9G45)
-#define cpu_is_at91sam9g45es() (at91_soc_initdata.subtype == AT91_SOC_SAM9G45ES)
-#define cpu_is_at91sam9m10() (at91_soc_initdata.subtype == AT91_SOC_SAM9M10)
-#define cpu_is_at91sam9g46() (at91_soc_initdata.subtype == AT91_SOC_SAM9G46)
-#define cpu_is_at91sam9m11() (at91_soc_initdata.subtype == AT91_SOC_SAM9M11)
-#else
-#define cpu_is_at91sam9g45() (0)
-#define cpu_is_at91sam9g45es() (0)
-#define cpu_is_at91sam9m10() (0)
-#define cpu_is_at91sam9g46() (0)
-#define cpu_is_at91sam9m11() (0)
-#endif
-
-#ifdef CONFIG_SOC_AT91SAM9X5
-#define cpu_is_at91sam9x5() (at91_soc_initdata.type == AT91_SOC_SAM9X5)
-#define cpu_is_at91sam9g15() (at91_soc_initdata.subtype == AT91_SOC_SAM9G15)
-#define cpu_is_at91sam9g35() (at91_soc_initdata.subtype == AT91_SOC_SAM9G35)
-#define cpu_is_at91sam9x35() (at91_soc_initdata.subtype == AT91_SOC_SAM9X35)
-#define cpu_is_at91sam9g25() (at91_soc_initdata.subtype == AT91_SOC_SAM9G25)
-#define cpu_is_at91sam9x25() (at91_soc_initdata.subtype == AT91_SOC_SAM9X25)
-#else
-#define cpu_is_at91sam9x5() (0)
-#define cpu_is_at91sam9g15() (0)
-#define cpu_is_at91sam9g35() (0)
-#define cpu_is_at91sam9x35() (0)
-#define cpu_is_at91sam9g25() (0)
-#define cpu_is_at91sam9x25() (0)
-#endif
-
-#ifdef CONFIG_SOC_AT91SAM9N12
-#define cpu_is_at91sam9n12() (at91_soc_initdata.type == AT91_SOC_SAM9N12)
-#else
-#define cpu_is_at91sam9n12() (0)
-#endif
-
-#ifdef CONFIG_SOC_SAMA5D3
-#define cpu_is_sama5d3() (at91_soc_initdata.type == AT91_SOC_SAMA5D3)
-#else
-#define cpu_is_sama5d3() (0)
-#endif
-
-#ifdef CONFIG_SOC_SAMA5D4
-#define cpu_is_sama5d4() (at91_soc_initdata.type == AT91_SOC_SAMA5D4)
-#else
-#define cpu_is_sama5d4() (0)
-#endif
-
-/*
- * Since this is ARM, we will never run on any AVR32 CPU. But these
- * definitions may reduce clutter in common drivers.
- */
-#define cpu_is_at32ap7000() (0)
-#endif /* __ASSEMBLY__ */
-
-#endif /* __MACH_CPU_H__ */
diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
index 778f11132b31..11bf992838af 100644
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -19,6 +19,7 @@
#include <linux/sysfs.h>
#include <linux/module.h>
#include <linux/of.h>
+#include <linux/of_address.h>
#include <linux/of_platform.h>
#include <linux/platform_device.h>
#include <linux/io.h>
@@ -29,10 +30,12 @@
#include <asm/mach/time.h>
#include <asm/mach/irq.h>
-#include <mach/cpu.h>
#include <mach/hardware.h>
#include "generic.h"
+
+static void __iomem *at91_ramc_base[2];
+
#include "pm.h"
static struct {
diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c
index 42ebe8d41433..4036e3e0ff96 100644
--- a/arch/arm/mach-at91/setup.c
+++ b/arch/arm/mach-at91/setup.c
@@ -7,321 +7,20 @@
#define pr_fmt(fmt) "AT91: " fmt
-#include <linux/module.h>
#include <linux/io.h>
-#include <linux/mm.h>
#include <linux/pm.h>
#include <linux/of_address.h>
-#include <linux/pinctrl/machine.h>
-#include <linux/clk/at91_pmc.h>
#include <asm/system_misc.h>
-#include <asm/mach/map.h>
#include <mach/hardware.h>
-#include <mach/cpu.h>
-#include <mach/at91_dbgu.h>
#include "generic.h"
#include "pm.h"
-struct at91_socinfo at91_soc_initdata;
-EXPORT_SYMBOL(at91_soc_initdata);
-
void __iomem *at91_ramc_base[2];
EXPORT_SYMBOL_GPL(at91_ramc_base);
-static struct map_desc at91_io_desc __initdata __maybe_unused = {
- .virtual = (unsigned long)AT91_VA_BASE_SYS,
- .pfn = __phys_to_pfn(AT91_BASE_SYS),
- .length = SZ_16K,
- .type = MT_DEVICE,
-};
-
-static struct map_desc at91_alt_io_desc __initdata __maybe_unused = {
- .virtual = (unsigned long)AT91_ALT_VA_BASE_SYS,
- .pfn = __phys_to_pfn(AT91_ALT_BASE_SYS),
- .length = 24 * SZ_1K,
- .type = MT_DEVICE,
-};
-
-static void __init soc_detect(u32 dbgu_base)
-{
- u32 cidr, socid;
-
- cidr = __raw_readl(AT91_IO_P2V(dbgu_base) + AT91_DBGU_CIDR);
- socid = cidr & ~AT91_CIDR_VERSION;
-
- switch (socid) {
- case ARCH_ID_AT91RM9200:
- at91_soc_initdata.type = AT91_SOC_RM9200;
- if (at91_soc_initdata.subtype == AT91_SOC_SUBTYPE_UNKNOWN)
- at91_soc_initdata.subtype = AT91_SOC_RM9200_BGA;
- break;
-
- case ARCH_ID_AT91SAM9260:
- at91_soc_initdata.type = AT91_SOC_SAM9260;
- at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE;
- break;
-
- case ARCH_ID_AT91SAM9261:
- at91_soc_initdata.type = AT91_SOC_SAM9261;
- at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE;
- break;
-
- case ARCH_ID_AT91SAM9263:
- at91_soc_initdata.type = AT91_SOC_SAM9263;
- at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE;
- break;
-
- case ARCH_ID_AT91SAM9G20:
- at91_soc_initdata.type = AT91_SOC_SAM9G20;
- at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE;
- break;
-
- case ARCH_ID_AT91SAM9G45:
- at91_soc_initdata.type = AT91_SOC_SAM9G45;
- if (cidr == ARCH_ID_AT91SAM9G45ES)
- at91_soc_initdata.subtype = AT91_SOC_SAM9G45ES;
- break;
-
- case ARCH_ID_AT91SAM9RL64:
- at91_soc_initdata.type = AT91_SOC_SAM9RL;
- at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE;
- break;
-
- case ARCH_ID_AT91SAM9X5:
- at91_soc_initdata.type = AT91_SOC_SAM9X5;
- break;
-
- case ARCH_ID_AT91SAM9N12:
- at91_soc_initdata.type = AT91_SOC_SAM9N12;
- break;
-
- case ARCH_ID_SAMA5:
- at91_soc_initdata.exid = __raw_readl(AT91_IO_P2V(dbgu_base) + AT91_DBGU_EXID);
- if (at91_soc_initdata.exid & ARCH_EXID_SAMA5D3) {
- at91_soc_initdata.type = AT91_SOC_SAMA5D3;
- }
- break;
- }
-
- /* at91sam9g10 */
- if ((socid & ~AT91_CIDR_EXT) == ARCH_ID_AT91SAM9G10) {
- at91_soc_initdata.type = AT91_SOC_SAM9G10;
- at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_NONE;
- }
- /* at91sam9xe */
- else if ((cidr & AT91_CIDR_ARCH) == ARCH_FAMILY_AT91SAM9XE) {
- at91_soc_initdata.type = AT91_SOC_SAM9260;
- at91_soc_initdata.subtype = AT91_SOC_SAM9XE;
- }
-
- if (!at91_soc_is_detected())
- return;
-
- at91_soc_initdata.cidr = cidr;
-
- /* sub version of soc */
- if (!at91_soc_initdata.exid)
- at91_soc_initdata.exid = __raw_readl(AT91_IO_P2V(dbgu_base) + AT91_DBGU_EXID);
-
- if (at91_soc_initdata.type == AT91_SOC_SAM9G45) {
- switch (at91_soc_initdata.exid) {
- case ARCH_EXID_AT91SAM9M10:
- at91_soc_initdata.subtype = AT91_SOC_SAM9M10;
- break;
- case ARCH_EXID_AT91SAM9G46:
- at91_soc_initdata.subtype = AT91_SOC_SAM9G46;
- break;
- case ARCH_EXID_AT91SAM9M11:
- at91_soc_initdata.subtype = AT91_SOC_SAM9M11;
- break;
- }
- }
-
- if (at91_soc_initdata.type == AT91_SOC_SAM9X5) {
- switch (at91_soc_initdata.exid) {
- case ARCH_EXID_AT91SAM9G15:
- at91_soc_initdata.subtype = AT91_SOC_SAM9G15;
- break;
- case ARCH_EXID_AT91SAM9G35:
- at91_soc_initdata.subtype = AT91_SOC_SAM9G35;
- break;
- case ARCH_EXID_AT91SAM9X35:
- at91_soc_initdata.subtype = AT91_SOC_SAM9X35;
- break;
- case ARCH_EXID_AT91SAM9G25:
- at91_soc_initdata.subtype = AT91_SOC_SAM9G25;
- break;
- case ARCH_EXID_AT91SAM9X25:
- at91_soc_initdata.subtype = AT91_SOC_SAM9X25;
- break;
- }
- }
-
- if (at91_soc_initdata.type == AT91_SOC_SAMA5D3) {
- switch (at91_soc_initdata.exid) {
- case ARCH_EXID_SAMA5D31:
- at91_soc_initdata.subtype = AT91_SOC_SAMA5D31;
- break;
- case ARCH_EXID_SAMA5D33:
- at91_soc_initdata.subtype = AT91_SOC_SAMA5D33;
- break;
- case ARCH_EXID_SAMA5D34:
- at91_soc_initdata.subtype = AT91_SOC_SAMA5D34;
- break;
- case ARCH_EXID_SAMA5D35:
- at91_soc_initdata.subtype = AT91_SOC_SAMA5D35;
- break;
- case ARCH_EXID_SAMA5D36:
- at91_soc_initdata.subtype = AT91_SOC_SAMA5D36;
- break;
- }
- }
-}
-
-static void __init alt_soc_detect(u32 dbgu_base)
-{
- u32 cidr, socid;
-
- /* SoC ID */
- cidr = __raw_readl(AT91_ALT_IO_P2V(dbgu_base) + AT91_DBGU_CIDR);
- socid = cidr & ~AT91_CIDR_VERSION;
-
- switch (socid) {
- case ARCH_ID_SAMA5:
- at91_soc_initdata.exid = __raw_readl(AT91_ALT_IO_P2V(dbgu_base) + AT91_DBGU_EXID);
- if (at91_soc_initdata.exid & ARCH_EXID_SAMA5D3) {
- at91_soc_initdata.type = AT91_SOC_SAMA5D3;
- } else if (at91_soc_initdata.exid & ARCH_EXID_SAMA5D4) {
- at91_soc_initdata.type = AT91_SOC_SAMA5D4;
- }
- break;
- }
-
- if (!at91_soc_is_detected())
- return;
-
- at91_soc_initdata.cidr = cidr;
-
- /* sub version of soc */
- if (!at91_soc_initdata.exid)
- at91_soc_initdata.exid = __raw_readl(AT91_ALT_IO_P2V(dbgu_base) + AT91_DBGU_EXID);
-
- if (at91_soc_initdata.type == AT91_SOC_SAMA5D4) {
- switch (at91_soc_initdata.exid) {
- case ARCH_EXID_SAMA5D41:
- at91_soc_initdata.subtype = AT91_SOC_SAMA5D41;
- break;
- case ARCH_EXID_SAMA5D42:
- at91_soc_initdata.subtype = AT91_SOC_SAMA5D42;
- break;
- case ARCH_EXID_SAMA5D43:
- at91_soc_initdata.subtype = AT91_SOC_SAMA5D43;
- break;
- case ARCH_EXID_SAMA5D44:
- at91_soc_initdata.subtype = AT91_SOC_SAMA5D44;
- break;
- }
- }
-}
-
-static const char *soc_name[] = {
- [AT91_SOC_RM9200] = "at91rm9200",
- [AT91_SOC_SAM9260] = "at91sam9260",
- [AT91_SOC_SAM9261] = "at91sam9261",
- [AT91_SOC_SAM9263] = "at91sam9263",
- [AT91_SOC_SAM9G10] = "at91sam9g10",
- [AT91_SOC_SAM9G20] = "at91sam9g20",
- [AT91_SOC_SAM9G45] = "at91sam9g45",
- [AT91_SOC_SAM9RL] = "at91sam9rl",
- [AT91_SOC_SAM9X5] = "at91sam9x5",
- [AT91_SOC_SAM9N12] = "at91sam9n12",
- [AT91_SOC_SAMA5D3] = "sama5d3",
- [AT91_SOC_SAMA5D4] = "sama5d4",
- [AT91_SOC_UNKNOWN] = "Unknown",
-};
-
-const char *at91_get_soc_type(struct at91_socinfo *c)
-{
- return soc_name[c->type];
-}
-EXPORT_SYMBOL(at91_get_soc_type);
-
-static const char *soc_subtype_name[] = {
- [AT91_SOC_RM9200_BGA] = "at91rm9200 BGA",
- [AT91_SOC_RM9200_PQFP] = "at91rm9200 PQFP",
- [AT91_SOC_SAM9XE] = "at91sam9xe",
- [AT91_SOC_SAM9G45ES] = "at91sam9g45es",
- [AT91_SOC_SAM9M10] = "at91sam9m10",
- [AT91_SOC_SAM9G46] = "at91sam9g46",
- [AT91_SOC_SAM9M11] = "at91sam9m11",
- [AT91_SOC_SAM9G15] = "at91sam9g15",
- [AT91_SOC_SAM9G35] = "at91sam9g35",
- [AT91_SOC_SAM9X35] = "at91sam9x35",
- [AT91_SOC_SAM9G25] = "at91sam9g25",
- [AT91_SOC_SAM9X25] = "at91sam9x25",
- [AT91_SOC_SAMA5D31] = "sama5d31",
- [AT91_SOC_SAMA5D33] = "sama5d33",
- [AT91_SOC_SAMA5D34] = "sama5d34",
- [AT91_SOC_SAMA5D35] = "sama5d35",
- [AT91_SOC_SAMA5D36] = "sama5d36",
- [AT91_SOC_SAMA5D41] = "sama5d41",
- [AT91_SOC_SAMA5D42] = "sama5d42",
- [AT91_SOC_SAMA5D43] = "sama5d43",
- [AT91_SOC_SAMA5D44] = "sama5d44",
- [AT91_SOC_SUBTYPE_NONE] = "None",
- [AT91_SOC_SUBTYPE_UNKNOWN] = "Unknown",
-};
-
-const char *at91_get_soc_subtype(struct at91_socinfo *c)
-{
- return soc_subtype_name[c->subtype];
-}
-EXPORT_SYMBOL(at91_get_soc_subtype);
-
-void __init at91_map_io(void)
-{
- /* Map peripherals */
- iotable_init(&at91_io_desc, 1);
-
- at91_soc_initdata.type = AT91_SOC_UNKNOWN;
- at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_UNKNOWN;
-
- soc_detect(AT91_BASE_DBGU0);
- if (!at91_soc_is_detected())
- soc_detect(AT91_BASE_DBGU1);
-
- if (!at91_soc_is_detected())
- panic(pr_fmt("Impossible to detect the SOC type"));
-
- pr_info("Detected soc type: %s\n",
- at91_get_soc_type(&at91_soc_initdata));
- if (at91_soc_initdata.subtype != AT91_SOC_SUBTYPE_NONE)
- pr_info("Detected soc subtype: %s\n",
- at91_get_soc_subtype(&at91_soc_initdata));
-}
-
-void __init at91_alt_map_io(void)
-{
- /* Map peripherals */
- iotable_init(&at91_alt_io_desc, 1);
-
- at91_soc_initdata.type = AT91_SOC_UNKNOWN;
- at91_soc_initdata.subtype = AT91_SOC_SUBTYPE_UNKNOWN;
-
- alt_soc_detect(AT91_BASE_DBGU2);
- if (!at91_soc_is_detected())
- panic("AT91: Impossible to detect the SOC type");
-
- pr_info("AT91: Detected soc type: %s\n",
- at91_get_soc_type(&at91_soc_initdata));
- if (at91_soc_initdata.subtype != AT91_SOC_SUBTYPE_NONE)
- pr_info("AT91: Detected soc subtype: %s\n",
- at91_get_soc_subtype(&at91_soc_initdata));
-}
-
static struct of_device_id ramc_ids[] = {
{ .compatible = "atmel,at91rm9200-sdramc", .data = at91rm9200_standby },
{ .compatible = "atmel,at91sam9260-sdramc", .data = at91sam9_sdram_standby },
--
2.1.0
More information about the linux-arm-kernel
mailing list